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Finding the Fourth Proportional to 44,517.80, 66,751.74 and 30,493.66

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Solution

The fourth proportional to 44,517.80, 66,751.74 and 30,493.66 is: 45,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,517.80 : 66,751.74 = 30,493.66 : x
  2. Step 2: Convert to fraction form
    44,517.80/66,751.74 = 30,493.66/x
  3. Step 3: Cross multiply
    44,517.80x = 66,751.74 × 30,493.66
  4. Step 4: Simplify right side
    44,517.80x = 2,035,504,954.61
  5. Step 5: Solve for x
    x = 2,035,504,954.61/44,517.80
  6. Step 6: Final answer
    x = 45,723.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.